limewater
Definition
- Noun:
- A solution of calcium hydroxide in water used as an antacid: Limewater is a clear, saturated aqueous solution of calcium hydroxide, traditionally used medicinally to neutralize excess stomach acid.
Usage Examples
- Noun:
- The old remedy involved drinking a small amount of limewater to soothe indigestion.
- In the laboratory, we tested for carbon dioxide by bubbling the gas through limewater, which turned cloudy.
Advanced Usage
- Chemical Indicator: In chemistry, limewater is a common reagent used to detect the presence of carbon dioxide gas, as it forms a white precipitate of calcium carbonate.
- The classic test for CO₂ is to pass the gas into limewater and observe the milky suspension.
Variants and Related Words
- Slaked lime (noun): Another name for calcium hydroxide, the solid compound dissolved to make limewater.
- Calcium hydroxide (noun): The chemical compound (Ca(OH)₂) that is the solute in limewater.
Synonyms
- Calcium hydroxide solution: A more technical synonym describing its chemical composition.
Noun
-
solution of calcium hydroxide in water used as an antacid
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